330 MR. H, N. RIDLEY ON A COLLECTION OF 
BRoMHEADIA ALTICOLA, Ridl. in Journ. Linn. Soe., Вой. xxviii. (1891) 338. 
Gunong Tahan, 3300 ft. Flowers creamy white. (5428.) Common at 
high and low altitudes on trees. 
Distrib. Selangor, Singapore. 
THRIXSPERMUM Зсовтеснтхи, Ridl. Fl. Mal. Pen., Monocot. 1. 188. 
Gunong Tahan, 5000-5500 ft. ; on trees. (5512.) 
Distrib. Malay Peninsula. 
APPENDICULA RUPESTRIS, Ridl. in Journ. Linn. Soe., Bot. xxxii. (1896) 391. 
K wala Tahan, 500-1000 ft. Flowers yellowish-white ; top of column pink. 
(5987.) From the type-locality. 
ACRIOPSIS JAVANICA, Blume, Bijdr. 331. 
Gunong Tahan, 4000-5000 ft, (5412.) Fruiting specimen only. 
Distrib. Malay Peninsula, Tenasserim, Sumatra, Java. 
HETÆRIA ELEGANS, n. sp. 
Caulis 3 poll. longus. Folia ovata acuminata acuta trinervia, 3 poll. longa 
1 poll. lata, glabra, petiolo vaginante 1J poll. longo. Peduneulus cum 
racemo 18-pollicari, basi (12 poll.) nudo. Racemus multiflorus, laxi- 
usculus ; rachis albopubescens. Flores vix plus quam 4. poll. longi, 
pedicello eum ovario 1 poll. longo. — Braetew lanceolatis acuminate. 
Sepala ovata obtusa glabra. Petala anguste linearia apicibus dilatatis. 
Labellum quam sepala brevius oblongum ovatum saccatum, cum processi- 
bus carnosis clavatis pluribus in sacco ; carunculo carnoso in apice labelli. 
Columna basi angusta, superne dilatata.  Rostellum late excisum, lobis 
latis obtusis. 
Gunong Tahan, 5000-6000 ft. Flowers greenish. (5466.) 
Near H. elata, Hook. fil., of Batang Padang, but differs in having a laxer 
spike, narrower petals, and a different lip. 
HABENARIA ZOSTEROSTYLOIDES, Hook. И. Fl. Brit. Ind. vi. 155. 
Gunong Tahan, 5000-6000 ft. Flowers greenish. (5480.) 
Distrib. Also occurs on Mt. Ophir and other hills in the Peninsula. 
CYPRIPEDIUM BARBATUM, Lindl. Bot. Reg. (1841) Mise. 53. 
Gnnong Tahan, 5000-6000 ft. Leaves chequered pale green and white ; 
lateral petals spotted with black-purple terminally. (5442.) Specimen 
in fruit only ; determination doubtful. 
Distrib. Malay Peninsula, Siam. 
APOSTASIACELJE. 
APOSTASIA NUDA, А. Br. т Wall. Pl. As. Rar. i. 16. 
Gunong Tahan, 3300 ft. Flowers white. (5318.) 
Distrib. Common in the Peninsula; also North-East India; Sumatra, Java. 
